Nature and science on the Pacific coast : a guide-book for scientific travelers in the West . 2. ft! S- ? if ^- m ^ -- ^ S^ » -• ?^. CC5 UH ~ .ia .. 3 05 r/i .:< oi —^ _ ri<. H ^ rt-. 3^ i ; ^^ p ^ a 5. 03 O O S -^ 02 ^ ii=5a°^M S 5 cS tn £ ^ . : X ^s Deserts and Desert Flora of the WestColorado River on the east and the mountain divideof southern California on the west. It is principallythe bed of an ancient inland sea or lake, with peb-ble-covered beaches that are still discernible alongthe base of the surrounding mountains. At one timethis depression was part of the Gulf of Califor
Nature and science on the Pacific coast : a guide-book for scientific travelers in the West . 2. ft! S- ? if ^- m ^ -- ^ S^ » -• ?^. CC5 UH ~ .ia .. 3 05 r/i .:< oi —^ _ ri<. H ^ rt-. 3^ i ; ^^ p ^ a 5. 03 O O S -^ 02 ^ ii=5a°^M S 5 cS tn £ ^ . : X ^s Deserts and Desert Flora of the WestColorado River on the east and the mountain divideof southern California on the west. It is principallythe bed of an ancient inland sea or lake, with peb-ble-covered beaches that are still discernible alongthe base of the surrounding mountains. At one timethis depression was part of the Gulf of California,Along its eastern shores the Colorado River de-posited the materials ground from the Grand a great delta was formed across the gulfto the Cocopa Mountains, and that part of the gulfso cut off became a desiccated sink. But time andagain the flood waters of the Colorado have cutchannels through the delta and partially refilled thebasin. Definite proof of these vagaries of the riverare found in the two channels, known as the Alamoand New River, that lead from the delta into thebasin. And the presence of the lakes is shown bythe numerous shells of fresh water mollusks scat-tered through
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishersanfr, bookyear1915
